Unit 20 sits in south-central New Mexico near Elephant Butte—Rio Grande valley bottoms up to isolated desert mountain ranges, 4,200 to over 7,000 feet. Low-elevation terrain is classic Chihuahuan Desert: flat to rolling creosote and mesquite hills with yucca and cactus. Higher ground in scattered mountain ranges carries juniper, pinon, and some ponderosa on north slopes. Elephant Butte Reservoir and Caballo Lake anchor the western portion, and the riparian zone along the Rio Grande is cottonwoods and willows—the only green for miles. Land is predominantly BLM and state trust with private ranches, especially in the river valley. I-25 is the main north-south access, with county and BLM roads reaching backcountry. T or C is the service hub. Cell service is good near I-25 and town, poor everywhere else. State parks at Elephant Butte and Caballo Lake offer camping, plus dispersed BLM camping if you prefer solitude. This is primarily pronghorn and mule deer country—the terrain favors long-range glassing and vehical-based hunting between vantage points. Early-season hunts can be brutally hot; carry ample water and plan to hunt dawn and dusk only. Elephant Butte Reservoir and Caballo Lake dominate the unit. Truth or Consequences is the main town. Desert terrain with scattered mountain ranges. Primarily mule deer, oryx, and pronghorn hunting. Public land is scattered BLM with some state trust. Not a destination elk unit.